Technical Data
Our terracotta products and mechanical cladding systems are made strictly in accordance to the relevant European Union Standard.

Resistance against thermal shocks
UNE-EN 10545-9
UNE-EN 10545-9

Lineal thermal expansion coefficient
<9×10-6/CUNE-EN 10545-8
<9×10-6/CUNE-EN 10545-8

Water absorption
<0.1 UNE-EN 10545-3
<0.1 UNE-EN 10545-3

Bending resistance
35-55N/mm³UNE-EN 10545-4
35-55N/mm³UNE-EN 10545-4

Frost resistance
UNE-EN 10545-12
UNE-EN 10545-12

Resistance to staining
UNE-EN 10545-14
UNE-EN 10545-14

Surface scratch resistance
6-7 UNE-EN 67-101
6-7 UNE-EN 67-101

Hygienic resistance to chemical etching
UNE-EN 10545-13
UNE-EN 10545-13

Restitution coefficient
>0.8 UNE-EN 10545-5
>0.8 UNE-EN 10545-5
Technical index
Performance index | 306mm(width) x 18mm(thick) | 306mm(width) x 18mm(thick) | 310mm(width) x 30mm(thick) |
Dry weight | 31kg/㎡ | 31kg/㎡ | 41kg/㎡ |
Frost resistance | After 100 cycles of freeze-thawing without cracking | After 100 cycles of freeze-thawing without cracking/td> | After 100 cycles of freeze-thawing without cracking |
Damage strength | 4966N | 4779N | 8722n |
Rupture modulus | Average value:97MPa,Least value:86MPa | Average value:59.36MPa,Least value:≥50MPa | Average value:92.43MPa,Least value:≥80MPa |
Poisson’s ratio | 0.16 | 0.16 | 0.16 |
Elastic modulus | 44GPa | 34GPa | 34GPa |
Fire performance | A1 level | A1 level | A1 level |
Acid and alkali | ULA level | ULA level | ULA level |
Radioactive | Class A decoration materials | Class A decoration materials | Class A decoration materials |
Vibrate resistance | More than 10 degrees fortification | More than 10 degrees fortification | More than 10 degrees fortification |
Simulation wind pressure test | Reaching 11kPa without damage | Reaching 11kPa without damage | Reaching 11kPa without damage |
Sound insulation performance | Reduce noise more than 9dB | Reduce noise more than 9dB | Reduce noise more than 9dB |
Coefficient of thermal conductivity | 0.31w/m.K | 0.31w/m.K | 0.31w/m.K |
Thermal shock resistance | After 50 cycles of thermal shock without cracks and cracks | After 50 cycles of thermal shock without cracks and cracks | After 50 cycles of thermal shock without cracks and cracks |
Resistance to polluting | level 2 | level 2 | level 2 |
Impact resistance | 0.78 | 0.78 | 0.78 |
Linear coefficient of thermal expansion | 5.2×10-6℃-1 | 5.2×10-6℃-1 | 5.2×10-6℃-1 |